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Triple-Negative Breast Cancer: A Comparison of Race and Survival

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Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer with a high prevalence in blacks. South Carolina demographically has a high percentage of blacks. This study examines survival and recurrence associated with TNBC in black and white women. A retrospective review of breast cancer patients within the Palmetto Health Cancer Registry was performed from 1999 to 2015. Patient demographics and tumor characteristics were collected and correlated with outcomes. Overall survival (OS), disease-specific survival (DSS), and recurrence-free survival (RFS) were analyzed. The total number of breast cancer patients in the registry was 1723 (1085—white and 638—black). The median follow-up was 48.4 months. The majority of cancers diagnosed in both cohorts were early stage (I, IIA, IIB, 93.4% vs 90.4% P = NS). We identified 332 patients with TNBC. Of those 332 patients, 144 (43.4%) were whites and 188 (56.6%) were blacks. Older age (P = 0.01), high-grade (P < 0.001), and black race (P < 0.001) were significantly associated with TNBC on multivariate analysis. Five- and 10-year OS was significantly worse in blacks with TNBC (P < 0.001). There was no difference in DSS or RFS between the two cohorts. TNBC disproportionately affects black women and is an aggressive subtype of breast cancer with limited treatment options compared with receptor-positive breast cancer. Black patients with TNBC in our study had statistically worse OS. These findings are similar to what has been reported in the literature and prompts further research in newer targeted therapies.
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Document Type: Research Article

Publication date: 01 June 2018

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  • The Southeastern Surgical Congress owns and publishes The American Surgeon monthly. It is the official journal of the Congress and the Southern California Chapter of the American College of Surgeons, which all members receive each month. The journal brings up to date clinical advances in surgical knowledge in a popular reference format. In addition to publishing papers presented at the annual meetings of the associated organizations, the journal publishes selected unsolicited manuscripts. If you have a manuscript you'd like to see published in The American Surgeon select "Information for Authors" from the Related Information options below. A Copyright Release Form must accompany all manuscripts submitted.
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